The d link dkvm 4k is a 4 port ps2 based kvm switch for controlling up to 4 computers using a single monitor keyboard and mouse the dkvm 4k minimizes clutter on your desktop with its sleek compact design ready to work right out of the box the dkvm 4k requires no drivers extra power supplies or accessories and is compatible with all windows operating systems the dkvm 4k is convenient and simple to use with features such as at a glance led indicators for computer status hot keys and p